From 9ef1f13a6cf63d1f9454356c778129bbc0927c58 Mon Sep 17 00:00:00 2001
From: Tino Breddin <dev.can.i@gmail.com>
Date: Wed, 8 Dec 2010 21:30:51 +0100
Subject: [PATCH] Added new system definition for Gentoo.

---
 lib/vagrant/systems/gentoo.rb      | 113 +++++++++++++++++++++++++++++
 templates/network_entry_gentoo.erb |   7 ++
 2 files changed, 120 insertions(+)
 create mode 100644 lib/vagrant/systems/gentoo.rb
 create mode 100644 templates/network_entry_gentoo.erb

diff --git a/lib/vagrant/systems/gentoo.rb b/lib/vagrant/systems/gentoo.rb
new file mode 100644
index 000000000..ab8c9bfdd
--- /dev/null
+++ b/lib/vagrant/systems/gentoo.rb
@@ -0,0 +1,113 @@
+module Vagrant
+  module Systems
+   class Gentoo < Base
+      # A custom config class which will be made accessible via `config.gentoo`.
+      class GentooConfig < Vagrant::Config::Base
+        configures :gentoo
+
+        attr_accessor :halt_timeout
+        attr_accessor :halt_check_interval
+
+        def initialize
+          @halt_timeout = 30
+          @halt_check_interval = 1
+        end
+      end
+
+      #-------------------------------------------------------------------
+      # Overridden methods
+      #-------------------------------------------------------------------
+      def halt
+        vm.env.ui.info I18n.t("vagrant.systems.gentoo.attempting_halt")
+        vm.ssh.execute do |ssh|
+          ssh.exec!("sudo halt")
+        end
+
+        # Wait until the VM's state is actually powered off. If this doesn't
+        # occur within a reasonable amount of time (15 seconds by default),
+        # then simply return and allow Vagrant to kill the machine.
+        count = 0
+        while vm.vm.state != :powered_off
+          count += 1
+
+          return if count >= vm.env.config.gentoo.halt_timeout
+          sleep vm.env.config.gentoo.halt_check_interval
+        end
+      end
+
+      def mount_shared_folder(ssh, name, guestpath)
+        ssh.exec!("sudo mkdir -p #{guestpath}")
+        mount_folder(ssh, name, guestpath)
+        ssh.exec!("sudo chown #{vm.env.config.ssh.username} #{guestpath}")
+      end
+
+      def mount_nfs(ip, folders)
+        # TODO: Maybe check for nfs support on the guest, since its often
+        # not installed by default
+        folders.each do |name, opts|
+          vm.ssh.execute do |ssh|
+            ssh.exec!("sudo mkdir -p #{opts[:guestpath]}")
+            ssh.exec!("sudo mount #{ip}:#{opts[:hostpath]} #{opts[:guestpath]}")
+          end
+        end
+      end
+
+      def prepare_host_only_network
+        # Remove any previous host only network additions to the
+        # interface file.
+        vm.ssh.execute do |ssh|
+          # Verify gentoo
+          ssh.exec!("cat /etc/gentoo-release", :error_class => GentooError, :_key => :network_not_gentoo)
+
+          # Clear out any previous entries
+          ssh.exec!("sudo sed -e '/^#VAGRANT-BEGIN/,/^#VAGRANT-END/ d' /etc/conf.d/net > /tmp/vagrant-network-interfaces")
+          ssh.exec!("sudo su -c 'cat /tmp/vagrant-network-interfaces > /etc/conf.d/net'")
+        end
+      end
+
+      def enable_host_only_network(net_options)
+        entry = TemplateRenderer.render('network_entry_gentoo', :net_options => net_options)
+        vm.ssh.upload!(StringIO.new(entry), "/tmp/vagrant-network-entry")
+
+        vm.ssh.execute do |ssh|
+          ssh.exec!("sudo ln -s /etc/init.d/net.lo /etc/init.d/net.eth#{net_options[:adapter]}")
+          ssh.exec!("sudo /etc/init.d/net.eth#{net_options[:adapter]} stop 2> /dev/null")
+          ssh.exec!("sudo su -c 'cat /tmp/vagrant-network-entry >> /etc/conf.d/net'")
+          ssh.exec!("sudo /etc/init.d/net.eth#{net_options[:adapter]} start")
+        end
+      end
+
+      #-------------------------------------------------------------------
+      # "Private" methods which assist above methods
+      #-------------------------------------------------------------------
+      def mount_folder(ssh, name, guestpath, sleeptime=5)
+        # Determine the permission string to attach to the mount command
+        perms = []
+        perms << "uid=#{vm.env.config.vm.shared_folder_uid}"
+        perms << "gid=#{vm.env.config.vm.shared_folder_gid}"
+        perms = " -o #{perms.join(",")}" if !perms.empty?
+
+        attempts = 0
+        while true
+          result = ssh.exec!("sudo mount -t vboxsf#{perms} #{name} #{guestpath}") do |ch, type, data|
+            # net/ssh returns the value in ch[:result] (based on looking at source)
+            ch[:result] = !!(type == :stderr && data =~ /No such device/i)
+          end
+
+          break unless result
+
+          attempts += 1
+          raise GentooError.new(:mount_fail) if attempts >= 10
+          sleep sleeptime
+        end
+      end
+    end
+
+    class Gentoo < Base
+      class GentooError < Errors::VagrantError
+        error_namespace("vagrant.systems.gentoo")
+      end
+    end
+  end
+end
+
diff --git a/templates/network_entry_gentoo.erb b/templates/network_entry_gentoo.erb
new file mode 100644
index 000000000..9c1d1e7a6
--- /dev/null
+++ b/templates/network_entry_gentoo.erb
@@ -0,0 +1,7 @@
+#VAGRANT-BEGIN
+# The contents below are automatically generated by Vagrant.
+# Please do not modify any of these contents.
+config_eth<%= net_options[:adapter] %>=("<%= net_options[:ip] %> netmask <%= net_options[:netmask] %>")
+#VAGRANT-END
+~            
+